/****************************************************************************
**
**      Created using Monkey Studio IDE v1.8.4.0 (1.8.4.0)
** Authors   : Filipe Azevedo aka Nox P@sNox <pasnox@gmail.com>
** Project   : QWBFS Manager
** FileName  : CoverFlowView.h
** Date      : 2010-06-16T14:19:29
** License   : GPL2
** Home Page : https://github.com/pasnox/qwbfsmanager
** Comment   : QWBFS Manager is a cross platform WBFS manager developed using C++/Qt4.
** It's currently working fine under Windows (XP to Seven, 32 & 64Bits), Mac OS X (10.4.x to 10.6.x), Linux & unix like.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
**
** In addition, as a special exception, the copyright holders give permission
** to link this program with the OpenSSL project's "OpenSSL" library (or with
** modified versions of it that use the same license as the "OpenSSL"
** library), and distribute the linked executables. You must obey the GNU
** General Public License in all respects for all of the code used other than
** "OpenSSL".  If you modify file(s), you may extend this exception to your
** version of the file(s), but you are not obligated to do so. If you do not
** wish to do so, delete this exception statement from your version.
**
****************************************************************************/
#ifndef COVERFLOWVIEW_H
#define COVERFLOWVIEW_H

#include "ofi-labs-pictureflow/pictureflow-qt/pictureflow.h"

#include <QPersistentModelIndex>

class QScrollBar;
class QAbstractItemModel;
class QModelIndex;
class QTimer;

class CoverFlowView : public PictureFlow
{
    Q_OBJECT

public:
    CoverFlowView( QWidget* parent = 0 );
    virtual ~CoverFlowView();

    void setModel( QAbstractItemModel* model );
    QAbstractItemModel* model() const;

    void setColumn( int column );
    int column() const;

    void setDisplayTextColumn( int column );
    int displayTextColumn() const;

protected:
    QScrollBar* mScrollBar;
    QAbstractItemModel* mModel;
    QPersistentModelIndex mRootIndex;
    int mColumn;
    int mDisplayTextColumn;
    QTimer* mTimer;

    virtual bool event( QEvent* event );
    virtual void resizeEvent( QResizeEvent* event );
    virtual void paintEvent( QPaintEvent* event );

    QModelIndex modelIndex( int index, int column = -1 ) const;
    virtual QPixmap pixmap( int index ) const;

protected slots:
    void _q_dataChanged( const QModelIndex& topLeft, const QModelIndex& bottomRight );
    void _q_layoutChanged();
    void _q_modelReset();
    void _q_rowsInserted( const QModelIndex& parent, int start, int end );
    void _q_rowsMoved( const QModelIndex& sourceParent, int sourceStart, int sourceEnd, const QModelIndex& destinationParent, int destinationRow );
    void _q_rowsRemoved( const QModelIndex& parent, int start, int end );

    void delayedResizeEvent();
    void initialize( int index = 0 );
    void updateScrollBarState();
    void preload();

signals:
    void centerIndexChanged( const QModelIndex& index );
};

#endif // COVERFLOWVIEW_H
